Re: N900 sleep mode (in 4.5-rc0, if that matters)

From	Pavel Machek <pavel@ucw.cz>
Newsgroups	linux.kernel
Subject	Re: N900 sleep mode (in 4.5-rc0, if that matters)
Date	2016-02-07 22:40 +0100
Message-ID	<qZFdM-3BZ-27@gated-at.bofh.it> (permalink)
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Hi!

> > > No, sorry, that was with 4.4. As you hit "PM regression with commit
> > > 5de85b9d57ab PM runtime re-init in v4.5-rc1", I thought I'd avoid
> > > v4.5-rc. 
> > 
> > OK
> > 
> > > (I assume I have to insmod and rmmod, right? Because powersave is not
> > > entered if I simply compile-out usb).
> > 
> > Depending on what the bootloader does and probably also if
> > USB was used during the booting.. So yeah you may need to modprobe
> > and then rmmod.
> > 
> > > Would you have commit ids for those rmmod fixes? It might be good to
> > > push them into stable, and I should try again with them applied...
> > 
> > 055555fc459 ("usb: musb: core: Fix handling of the phy notifications")
> > 03e43528ab68 ("usb: musb: Fix unbalanced pm_runtime_enable")
> 
> Oh and looks like these two phy-twl4030-phy fixes never got
> merged from thread "[PATCH 0/2] Two phy-twl4030-usb fixes for
> unloading the module":
> 
> phy: twl4030-usb: Relase usb phy on unload
> phy: twl4030-usb: Fix unbalanced pm_runtime_enable on module reload
> 
> I'll resend those. But without those again deeper idle states
> are blocked.. And it could be that n900 needs similar additional
> patches for it's USB PHY as I've tested things so far only with
> phy-twl4030-usb PHY based systems.

I don't get it. I was using

+CONFIG_USB_MUSB_OMAP2PLUS=m
+CONFIG_TWL4030_USB=m

on the n900. Are you suggesting I should be using something else on
the N900? If so, what?

Pali, do you have deeper sleep states working on 4.4 kernel? (Or
anything 4.X?)
									
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Thread

Re: N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek <pavel@ucw.cz> - 2016-01-30 21:10 +0100
  Re: N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek <pavel@ucw.cz> - 2016-01-30 21:20 +0100
    Re: N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek <pavel@ucw.cz> - 2016-01-30 23:20 +0100
      Re: N900 sleep mode (in 4.5-rc0, if that matters) Tony Lindgren <tony@atomide.com> - 2016-02-01 19:20 +0100
        Re: N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek <pavel@ucw.cz> - 2016-02-01 22:20 +0100
          Re: N900 sleep mode (in 4.5-rc0, if that matters) Tony Lindgren <tony@atomide.com> - 2016-02-01 23:20 +0100
            Re: N900 sleep mode (in 4.5-rc0, if that matters) Tony Lindgren <tony@atomide.com> - 2016-02-04 06:40 +0100
              Re: N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek <pavel@ucw.cz> - 2016-02-07 22:40 +0100
                Re: N900 sleep mode (in 4.5-rc0, if that matters) Pali Rohár <pali.rohar@gmail.com> - 2016-02-08 10:00 +0100
            Re: N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek <pavel@ucw.cz> - 2016-02-07 22:30 +0100

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